Differentiated Vascular Smooth Muscle Cells (VSMCs) express a unique network of mRNA isoforms via smooth muscle specific alternative splicing (SM-AS) in functionally critical genes, including those comprising the contractile machinery. We previously described RNA Binding Protein Multiple Splicing (RBPMS) as a potent driver of differentiated SM-AS in the rat PAC1 VSMC cell line. What is unknown is how RBPMS affects VSMC phenotype and behaviour. Here, we aimed to dissect the role of RBPMS in SM-AS in human cells and determine the impact on VSMC phenotypic properties.
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Jacob et al. (2024) studied this question.
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